Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

TRANSFERRIN, CARBOHYDRATE-DEFICIENT (ALCOHOL USE)

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB1254         Geisinger Epic ID: 52941

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
1 mL serum; minimum 0.5 mL.

SPECIMEN PROCESSING
Specimen processing instructions:
Serum samples must be fully coagulated, centrifuged within 1 hour of collection, and must not contain any particles or traces of fibrin after centrifugation. Transfer serum to a clean, plastic, screw-cap vial. 
Transport temperature:
Refrigerated (cold packs),
Specimen stability:
Room temperature: 24 hours. Refrigerated: 7 days. Frozen: 90 days.
Rejection criteria:
Gross hemolysis • Grossly lipemic • Grossly icteric

TEST DETAILS
CPT code(s):
82373, 84466
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
CDT; Transferrin; Percent CDT
Methodology:
Nephelometry
Synonyms:
Quest test code 16985, Carb Def Tra; Carbohydrate Deficient Transferrin,CDT
Clinical significance:
Heavy alcohol use (defined as >4 or 5 beverages per day for two weeks or more) is commonly associated with elevated CDT levels as are certain liver diseases such as primary biliary cirrhosis and chronic active hepatitis and in some patients with genetic D variants of transferrin.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Mon-Sat p.m.; Report available: Next day    
Performed stat? No
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